[FONT=arial, sans-serif]Hey Guys,
Last weekend my sled died after apprx 2 hrs of riding. Tried to pull the start cable and it was frozen. I've had a few issues since buying it so I'm hoping to get her running reliably for future riding.
History/Relevant Info:
- 2001 Polaris RMK 800 151" Non VES motor (no idea if it has ACCS).
- Has apprx 4000 km? miles? the drive key was broken when I bought it so no idea how long it was broken for.
- Always ran rich, like burning my eyes and fuel dumping out of the exhaust rich.
- Pretty much stock except for the slp can and fox shocks.
- Put in new plugs less than a month ago and new voltage regulator.
- Primary clutch fell off a month ago (bolt spun out and disappeared), had it checked and put back on.
- Carbs were cleaned and checked. The choke cable and plungers seems to be fine, maybe bad needle/seat (it's an entire float assembly so stupid expensive to replace if not needed).
- Carbs were jetted to 10,000 ft and I run at 2500 ft (oops) so that didn't cause the rich issue.
- Opened up fuel pump and only found a tiny fold in one of the plastic diaphragms. Didn't think that would cause fuel to leak through but might.
- Run Regular grade fuel and AMSOIL interceptor 2 stroke oil
I tore into the motor today and found some pretty serious pitting on the head and piston head on the PTO side. The jug looks fine but it seemed really dirty (prob carbon from misfiring/incomplete burn?) and both pistons/cylinders were oiled up nicely. The crank still won't turn by hand so I assume the crank bearing must have gone bad, will pull the motor and split the case shortly.
My questions for ya'll is:
- Any idea where I could get a reasonably priced crank for my sled? (Live in Edmonton, AB)
- Any thoughts on the rich issue? (or a fuel pump rebuild kit?)
- I assume I'll have to replace the head and piston because of the pitting on PTO side, thoughts on the brown burnt stuff on MAG side piston?
- Prob should have my clutch balanced for good measure, but where?
- Where would I find an ACCS if I had one?
Here are the pictures I have so far.
Thanks in advance
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Last weekend my sled died after apprx 2 hrs of riding. Tried to pull the start cable and it was frozen. I've had a few issues since buying it so I'm hoping to get her running reliably for future riding.
History/Relevant Info:
- 2001 Polaris RMK 800 151" Non VES motor (no idea if it has ACCS).
- Has apprx 4000 km? miles? the drive key was broken when I bought it so no idea how long it was broken for.
- Always ran rich, like burning my eyes and fuel dumping out of the exhaust rich.
- Pretty much stock except for the slp can and fox shocks.
- Put in new plugs less than a month ago and new voltage regulator.
- Primary clutch fell off a month ago (bolt spun out and disappeared), had it checked and put back on.
- Carbs were cleaned and checked. The choke cable and plungers seems to be fine, maybe bad needle/seat (it's an entire float assembly so stupid expensive to replace if not needed).
- Carbs were jetted to 10,000 ft and I run at 2500 ft (oops) so that didn't cause the rich issue.
- Opened up fuel pump and only found a tiny fold in one of the plastic diaphragms. Didn't think that would cause fuel to leak through but might.
- Run Regular grade fuel and AMSOIL interceptor 2 stroke oil
I tore into the motor today and found some pretty serious pitting on the head and piston head on the PTO side. The jug looks fine but it seemed really dirty (prob carbon from misfiring/incomplete burn?) and both pistons/cylinders were oiled up nicely. The crank still won't turn by hand so I assume the crank bearing must have gone bad, will pull the motor and split the case shortly.
My questions for ya'll is:
- Any idea where I could get a reasonably priced crank for my sled? (Live in Edmonton, AB)
- Any thoughts on the rich issue? (or a fuel pump rebuild kit?)
- I assume I'll have to replace the head and piston because of the pitting on PTO side, thoughts on the brown burnt stuff on MAG side piston?
- Prob should have my clutch balanced for good measure, but where?
- Where would I find an ACCS if I had one?
Here are the pictures I have so far.
Thanks in advance
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